OpenTechnical

OT-2026-000026780

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000026780) never changes.

Identity and time

Publication numberOT-2026-000026780 · never reused
Internal UUID01a0ae72-3451-799e-8df8-78f781674b40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026780
StatusPUBLIC

Content hashes

Canonical text838e497e41238da3d7b3bf2ccf24241a196ef951202d6da686d00fe4a0f8852b
Markdown8928c10a5c8307a0eb9b0356a0b0f57894724514a36c48361952f3f54b67f4e1
PDF
Publication page48b7e71438b85eaa27c496104da55e4f4a3251792e73498663b76f602a891ef4
Manifest47a65d1ac75dfb89489bd8b80d36b1f0576bdce1c218638853670e24617997ee

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQCwjer9aByoygpBAIXuULZl3uVDRY9OHiWZ+m7JeVESu0ngLduTh4ukp05CBYFqnWWt3DOPds7xt8vXCOS3vDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:21.212306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026780
observed 48b7e71438b85eaa27c496104da55e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.194447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026780/manifest.json
observed 47a65d1ac75dfb89489bd8b80d36b1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.177185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026780/publication.md
observed 8928c10a5c8307a0eb9b0356a0b0f578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.160413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026780/publication.txt
observed 838e497e41238da3d7b3bf2ccf24241a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.